Category : C Source Code
Archive   : F2CSRC.ZIP
Filename : REWIND.C

 
Output of file : REWIND.C contained in archive : F2CSRC.ZIP

#include "f2c.h"
#include "fio.h"
integer f_rew(a) alist *a;
{
unit *b;
if(a->aunit>=MXUNIT || a->aunit<0)
err(a->aerr,101,"rewind");
b = &units[a->aunit];
if(b->ufd == NULL || b->uwrt == 3)
return(0);
if(!b->useek)
err(a->aerr,106,"rewind")
if(b->uwrt) {
(void) t_runc(a);
b->uwrt = 3;
}
rewind(b->ufd);
b->uend=0;
return(0);
}